changeloguru/pkg/cli/action.go

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package cli
import (
"log"
"github.com/urfave/cli/v2"
)
const (
currentDir = "."
markdownFiletype = "md"
defaultRepository = currentDir
defaultOutput = currentDir
defaultFilename = "CHANGELOG"
defaultFiletype = markdownFiletype
)
type action struct {
flags struct {
verbose bool
from string
to string
version string
scopes map[string]struct{}
repository string
output string
filename string
filetype string
}
}
func (a *action) RunHelp(c *cli.Context) error {
return cli.ShowAppHelp(c)
}
func (a *action) getFlags(c *cli.Context) {
a.flags.verbose = c.Bool(verboseFlag)
a.flags.from = c.String(fromFlag)
a.flags.to = c.String(toFlag)
a.flags.version = c.String(versionFlag)
a.flags.scopes = make(map[string]struct{})
for _, scope := range c.StringSlice(scopeFlag) {
a.flags.scopes[scope] = struct{}{}
}
a.flags.repository = a.getFlagValue(c, repositoryFlag, defaultRepository)
a.flags.output = a.getFlagValue(c, outputFlag, defaultOutput)
a.flags.filename = a.getFlagValue(c, filenameFlag, defaultFilename)
a.flags.filetype = a.getFlagValue(c, filetypeFlag, defaultFiletype)
if a.flags.verbose {
a.log("flags %+v", a.flags)
}
}
func (a *action) getFlagValue(c *cli.Context, flag, fallback string) string {
value := c.String(flag)
if value == "" {
value = fallback
}
return value
}
func (a *action) log(format string, v ...interface{}) {
if a.flags.verbose {
log.Printf(format, v...)
}
}